diff --git a/drivers/dma/dw_dmac_regs.h b/drivers/dma/dw_dmac_regs.h
index f298f69ecbf997959235f5f620087917b23a023c..e248481ad5f1f27a3927b12d1b970ea1ad865a9a 100644
--- a/drivers/dma/dw_dmac_regs.h
+++ b/drivers/dma/dw_dmac_regs.h
@@ -82,7 +82,7 @@ struct dw_dma_regs {
 	DW_REG(ID);
 	DW_REG(TEST);
 
-	/* optional encoded params, 0x3c8..0x3 */
+	/* optional encoded params, 0x3c8..0x3f7 */
 };
 
 /* Bitfields in CTL_LO */